70238842 has 4 divisors (see below), whose sum is σ = 105358266. Its totient is φ = 35119420.

The previous prime is 70238807. The next prime is 70238867. The reversal of 70238842 is 24883207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51394561 + 18844281 = 7169^2 + 4341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70238798 and 70238807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17559709 + ... + 17559712.

Almost surely, 2^70238842 is an apocalyptic number.

70238842 is a deficient number, since it is larger than the sum of its proper divisors (35119424).

70238842 is a wasteful number, since it uses less digits than its factorization.

70238842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35119423.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 70238842 is about 8380.8616502123. The cubic root of 70238842 is about 412.5967293206.

The spelling of 70238842 in words is "seventy million, two hundred thirty-eight thousand, eight hundred forty-two".